Reliability is essential for communication using XMPP. This extension allows to request stanza acknowledgement and quickly resume session. Any messages that were not delivered over previous connection will be retransmitted during session resumption without duplication.

Generally speaking of the security of instant messengers in isolation from the security of other components of the system is somewhat strange. What’s the use of a secure instant messenger, if your smartphone keyboard immediately sends everything directly to the server of the manufacturer?

This post will provide a comprehensive step by step guide to load testing a XMPP server with Apache JMeter™. We will cover all the XMPP Sampler features, including connecting and disconnecting, logging in and working with a list of contacts and an online conference.

An XMPP Framework in Objective-C for the Mac and iOS development community. XMPPFramework provides a core implementation of RFC-3920 (the XMPP standard), along with the tools needed to read & write XML.

Pupils from disadvantaged backgrounds will be given private tuition for free using instant messaging on their mobile phones. Children from five London schools are taking part in a trial for a new app run by Tutorfair, a philanthropic tutoring agency.